54 lines
2.2 KiB
C#
54 lines
2.2 KiB
C#
// ╔════════════════════════════════════════════════════════════════╗
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// ║ Copyright © 2025 NWH Coding d.o.o. All rights reserved. ║
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// ║ Licensed under Unity Asset Store Terms of Service: ║
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// ║ https://unity.com/legal/as-terms ║
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// ║ Use permitted only in compliance with the License. ║
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// ║ Distributed "AS IS", without warranty of any kind. ║
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// ╚════════════════════════════════════════════════════════════════╝
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#region
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using System;
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#endregion
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namespace NWH.Common.Utility
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{
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/// <summary>
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/// Extension methods for array manipulation.
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/// </summary>
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public static class ArrayExtensions
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{
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/// <summary>
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/// Efficiently fills an array by repeating a pattern of values.
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/// Uses doubling strategy for performance.
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/// </summary>
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/// <typeparam name="T">Type of array elements.</typeparam>
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/// <param name="destinationArray">Array to fill.</param>
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/// <param name="value">Pattern of values to repeat throughout the array.</param>
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public static void Fill<T>(this T[] destinationArray, params T[] value)
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{
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int destinationLength = destinationArray.Length;
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if (destinationLength == 0)
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{
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return;
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}
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int valueLength = value.Length;
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// set the initial array value
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Array.Copy(value, destinationArray, valueLength);
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int arrayToFillHalfLength = destinationLength / 2;
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int copyLength;
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for (copyLength = valueLength; copyLength < arrayToFillHalfLength; copyLength <<= 1)
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{
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Array.Copy(destinationArray, 0, destinationArray, copyLength, copyLength);
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}
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Array.Copy(destinationArray, 0, destinationArray, copyLength,
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destinationLength - copyLength);
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}
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}
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} |